427621 (2003 UN12)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4032349031 ± 2.01e-08
Semi-major axis (a)2.1572673682 AU ± 1.22e-09
Inclination (i)6.89818760° ± 2.08e-06
Long. of Asc. Node (Ω)40.48289988° ± 1.90e-05
Arg. of Perihelion (ω)257.88670556° ± 2.00e-05
Mean Anomaly (M)37.81087505° ± 2.50e-06
Mean Motion (n)0.3110687005°/day ± 2.64e-10
Perihelion dist (q)1.28738187 AU ± 4.34e-08
Aphelion dist (Q)3.02715287 AU ± 4.35e-08
Orbital Period3.16851641 yr ± 2.69e-09
Physical Parameters
H (abs. magnitude)18.33
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.275″
Uncertainty0
Orbit TypeAmor
MOID0.300979 AU
Observations Used377
Oppositions15
Arc Total2003-2025
First Observation Used2003-10-21
Last Observation Used2025-11-10
Observations (388)
Date Type RA Dec Mag Band Observatory
2025-07-13 06:19:53 C 19 59 34.440 -50 04 04.15 V W68
2025-07-13 06:30:59 C 19 59 34.932 -50 04 07.28 V W68
2025-07-13 07:22:09 C 19 59 37.354 -50 04 21.22 V W68
2025-07-16 05:09:35 C 20 03 37.361 -50 22 44.62 V W68
2025-07-16 05:21:08 C 20 03 37.915 -50 22 47.39 V W68
2025-07-16 05:25:46 C 20 03 38.102 -50 22 48.40 V W68
2025-07-16 06:11:37 C 20 03 40.166 -50 22 57.65 V W68
2025-07-20 05:26:25 C 20 08 56.647 -50 36 15.66 V W68
2025-07-20 05:31:00 C 20 08 56.844 -50 36 15.91 V W68
2025-07-20 06:17:43 C 20 08 58.882 -50 36 18.04 V W68
2025-07-20 06:29:46 C 20 08 59.395 -50 36 18.32 V W68
2025-07-26 00:12:29 C 20 16 19.447 -50 30 44.89 V M22
2025-07-26 00:17:43 C 20 16 19.668 -50 30 43.85 V M22
2025-07-26 00:25:46 C 20 16 20.021 -50 30 42.44 V M22
2025-07-26 00:39:53 C 20 16 20.575 -50 30 40.00 V M22
2025-07-30 03:06:19 C 20 21 26.210 -50 08 36.85 V M22
2025-07-30 03:14:13 C 20 21 26.647 -50 08 33.61 V M22
2025-07-30 03:36:37 C 20 21 27.691 -50 08 25.51 V M22
2025-07-30 03:39:53 C 20 21 27.922 -50 08 24.25 V M22
2025-07-30 04:01:12 C 20 21 28.891 -50 08 16.15 V M22
2025-07-30 04:26:48 C 20 21 30.245 -50 08 06.04 V M22
2025-08-06 01:27:05 B 20 30 02.60 -48 59 41.3 W X07
2025-08-10 22:07:59 C 20 35 59.158 -47 49 37.78 V M22
2025-08-10 22:19:55 C 20 35 59.659 -47 49 29.10 V M22
2025-08-11 00:04:17 C 20 36 04.056 -47 48 16.74 V M22
2025-08-11 00:16:43 C 20 36 04.598 -47 48 07.81 V M22
2025-08-11 00:28:39 C 20 36 05.110 -47 47 59.46 V M22
2025-08-11 18:46:56 C 20 37 04.354 -47 35 27.74 V M22
2025-08-11 18:58:53 C 20 37 04.879 -47 35 20.18 V M22
2025-08-11 19:10:48 C 20 37 05.405 -47 35 12.26 V M22
2025-08-11 23:09:06 C 20 37 15.454 -47 32 29.69 V M22
2025-08-11 23:21:02 C 20 37 15.941 -47 32 21.16 V M22
2025-08-11 23:32:58 C 20 37 16.452 -47 32 12.26 V M22
2025-08-26 23:04:54 C 20 55 59.083 -42 22 33.89 V M22
2025-08-26 23:16:56 C 20 55 59.640 -42 22 21.79 V M22
2025-08-26 23:28:51 C 20 56 00.197 -42 22 09.44 V M22
2025-08-26 23:40:47 C 20 56 00.773 -42 21 57.42 V M22
2025-08-30 21:44:29 C 21 01 07.546 -40 46 45.55 V M22
2025-08-30 21:48:31 C 21 01 07.730 -40 46 40.80 V M22
2025-08-30 22:00:16 C 21 01 08.280 -40 46 28.70 V M22
2025-08-30 22:14:16 C 21 01 08.969 -40 46 14.20 V M22
2025-09-01 03:30:48 C 21 02 45.941 -40 15 52.78 V W68
2025-09-01 03:39:27 C 21 02 46.361 -40 15 44.42 V W68
2025-09-01 03:44:06 C 21 02 46.550 -40 15 39.20 V W68
2025-09-01 03:57:25 C 21 02 47.177 -40 15 25.09 V W68
2025-09-02 03:25:50 C 21 04 05.362 -39 50 51.90 V W68
2025-09-02 03:32:41 C 21 04 05.695 -39 50 43.94 V W68
2025-09-02 03:40:37 C 21 04 06.084 -39 50 35.77 V W68
2025-09-02 03:58:36 C 21 04 06.924 -39 50 16.73 V W68
2025-09-02 21:13:39 C 21 05 04.786 -39 32 07.51 V M22